package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataObject.PrizeDO;
import lombok.Data;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface PrizeMapper {

    @Insert("insert into prize (name,image_url,price,description) values (#{name},#{imageUrl},#{price},#{description})")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    int insert(PrizeDO prizeDO);

    @Select("select count(*) from prize")
    int count();

    @Select("select * from prize order by id desc limit #{offset},#{pageSize}")
    List<PrizeDO> selectPrizeList(@Param("offset") Integer offset, @Param("pageSize") Integer pageSize);

    @Select("<script>" +
            " select id from prize" +
            " where id in" +
            " <foreach item='item' collection = 'items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<Long> selectExistByIds(@Param("items") List<Long> prizeIds);

    @Select("<script>" +
            " select * from prize" +
            " where id in" +
            " <foreach item='item' collection = 'items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<PrizeDO> batchSelectByIds(@Param("items") List<Long> prizeIds);

    @Select("select * from prize where id = #{id}")
    PrizeDO selectById(@Param("id") Long prizeId);

    /**
     * 删除
     */
    @Delete("delete from prize where id = #{id}")
    void deletePrize(@Param("id") Long prizeId);
}
